Trail Running Calendar East of England 2025-2026

The Zig Zag Running Easter Challenge takes place at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or 4-hour event, running as far as they can on a 5.3k multi-terrain loop featuring gravel paths and grassy areas. This event caters to runners of..

The Pitsea RC Crown to Crown is a series of 5K off-road trail races organized by Pitsea Running Club, taking place in 2025. The first race is scheduled for Good Friday, April 18, with additional races throughout the year. The event welcomes participants of all abilities, with specific entry fees for..

The Active Fakenham Town Centre 5k is a vibrant running event held in Fakenham as part of the Easter Sunday Funday festivities. Open to runners and walkers of all ages and abilities, the race features a scenic circuit through the town center. Participants can choose between a 5k run and a 1k fun run..

The Springfield Striders Easter Monday Trail is a self-navigation trail race taking place on April 21, 2025, as part of the Easter Eggstravaganza Trail Series. The event covers approximately 6 miles and is open to participants aged 16 and over. Limited to 150 entries due to parking constraints, the..

The Thames Ring 250 is an iconic 250+ mile race that takes participants on a challenging loop from Goring along the River Thames into London, then up the Grand Union Canal and down the Oxford Canal back to the Thames. First held in 2009, it is known for its difficulty, with a high DNF rate. Runners..

The Viper 5 Mile Trail Run (Spring edition) is an annual running event designed for participants over 18, featuring a scenic trail route. This self-sufficient race encourages runners to bring their own water and provisions, as well as to prepare for varying weather conditions. The event has a limite..

The Other Run is a unique running event taking place on the same day as the London Marathon, offering participants a choice of distances: 5k, 10k, half marathon, or full marathon. Set at the Suffolk Running Centre in Bury St Edmunds, this event caters to those who may have missed out on the London M..

The Phoenix Striders Summer Series is a running event held at the Langdon Discovery Nature Park, featuring five rounds throughout the summer. Participants aged 12 and older can enjoy a 5k trail run, consisting of two laps of a 2.5k circuit. The series aims to raise funds for the Essex Wildlife Trust..

The Weavers' Way 50km and 50mile Ultras is an exciting ultramarathon event taking place on May 3, 2025, in Norfolk. This event features two routes: a beginner-friendly 50km race from Stalham to Cromer and a more challenging 50-mile route from Acle to Cromer, both concluding at the iconic Cromer Pier..

The Heritage Coast Run is an exciting running event scheduled for May 4, 2025, featuring a mainly off-road course that includes both a 10k and a half marathon option. Participants can also choose a 10k dog run, allowing runners to compete alongside their canine companions. The course offers scenic v..

The Two Castles Trails is a unique trail running event featuring narrative races that guide participants through a circular route around Hedingham and Clare Castles. The marathon and half marathon routes are predominantly off-road, covering diverse terrains, and require runners to follow written ins..

The Galleywood Gallop is a self-navigation trail race organized by Essex Trail Events, taking place on May 7, 2025. The course spans approximately 5 miles and features no river crossings, with participants relying on a written route description provided on the day of the event. This race is not mark..

The Five Rivers Ultra is an ultra-endurance running event taking place along the scenic North Essex and South Suffolk coastline. Participants can choose from three distances: 100 miles, 50 miles, and 50 km, catering to walkers, joggers, and runners. The course features a relatively flat terrain, wit..

The Taxus Baccata Trahentium is a self-navigation trail race organized by Essex Trail Events, taking place on May 11, 2025. Participants will navigate a scenic route of approximately 7 miles using a written description provided on the day of the event, as there are no course markings or marshals. Th..

The Gaddesden Gallop is an exciting cross-country running event taking place in the picturesque Hertfordshire countryside. Scheduled for May 11, 2025, participants can choose between a 10K or 5K run, with categories for both adults and under-18s. The event also features mini races for children under..

The Zig Zag Marathon and Half Marathon takes place at the Suffolk Running Centre in Bury St Edmunds, featuring a scenic and officially measured route. Participants can choose between a full marathon and a half marathon, both designed for runners seeking a Good For Age (GFA) qualification. The event..

The Halstead & Essex Marathon is set to return in May 2025 for its 29th edition, having been established in 1995. This annual event, organized by Halstead Road Runners, attracts participants from across the UK and beyond, taking place on scenic, low-traffic roads in North Essex. Known for its welcom..

The Castle Trail, organized by Essex Trail Events, is a self-navigation trail race taking place on May 18, 2025. Participants can choose between two distances: approximately 13.1 miles or 6.2 miles. Runners will receive a written route description on the day of the event, as there are no course mark..

The Bluebell 5 is an annual running event organized by Pitsea Running Club in collaboration with the Essex Wildlife Trust, taking place on May 18, 2025. This five-mile off-road race offers participants a scenic journey through the picturesque Little Haven Nature Reserve, featuring vibrant bluebells,..

The Galloping Grind 10k Trail Run is an exciting new event set to take place on May 20, 2025. Participants can collect their race numbers in the evening before the run, which features a predominantly anti-clockwise route. As the event occurs at dusk, wearing high-visibility clothing is recommended.L..